Why, as superintendent of the safe deposit vaults he had helped to build up that part of the trust company's business to such an extent that he knew he deserved more.
"Now, a superintendent of a safe deposit vault has lots of chances.
Sometimes depositors give him their keys to unlock their boxes for them.

It is a simple thing to make an impression in wax or chewing gum palmed in the hand.

Or he has access to a number of keys of unrented boxes; he can, as opportunity offers, make duplicates, and then when the boxes are rented, he has a key.

Even if the locks of unrented boxes are blanks, set by the first insertion of the key chosen at random, he can still do the same thing.

And even if it takes two to get at the idle keys, himself and another trusted employe, he can get at them, if he is clever, without the other officer knowing it, though it may be done almost before his eyes.